1932年，氧化钍胶体被首次引进。

In 1932, Thorotrast was first introduced.

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这项技术的支持者称，钍的储量比铀更多，而且不会产生大量的二氧化碳。

Proponents of the technology say thorium is more abundant than uranium and does not involve the release of large quantities of carbon dioxide.

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这项技术的支持者称，钍的储量比铀更多，而且不会产生大量的二氧化碳。

Proponents of the technology say thorium is more abundant than uranium and does not involve the release of large quantities of carbon dioxide.

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